def get_default_flight_parameters():
    """返回默认的飞行参数配置"""
    return {
        "route_name": "generated_route",
        "altitude": 150.0,  # 飞行WGS84椭球高度（米）
        "speed": 15.0,      # 飞行速度（米/秒）
        "author": "GeoJSON2KMZ", 
        "takeoff_security_height": 180.0, 
        "takeoff_ref_point_alt": 30.0, 
        "egm96_offset": 7.3, 
        "geojson_altitude_offset": 0, 
        "drone_enum": "91",  # DJI Mavic 3
        "drone_sub_enum": "1", 
        "payload_enum": "81",  # 相机
        "payload_sub_enum": "0", 
        "enable_photo_action": True,
        "payload_lens_index": "visable", # 用于 startTimeLapse/stopTimeLapse
        "image_format": "visable",       # 用于 template.kml 中的图像格式
        "photo_interval_s": 3.0,         # 拍照间隔，单位秒
        "gimbal_pitch": -90.0,           # 云台俯仰角（下视90度）
        "turn_damping_dist_coordinate": 10.0, # 协调转弯时的阻尼距离
        "turn_damping_dist_stop": 0.0,   # 到点精准停时的阻尼距离 (通常为0)
        "ortho_camera_overlap_h": 70,    # 70%的航向重叠
        "ortho_camera_overlap_w": 60,    # 60%的旁向重叠
        "direction": "11",               # 控制飞行方向 - 11为水平方向
        "shoot_type": "time",            # 拍摄方式设为定时拍摄
        "mapping_mode": "1",             # 启用测绘模式
        "route_optimization_mode": "1",  # 路径优化
        "close_path": False              # 是否闭合路径
    }